Water saver valve

Details Water saver valve Water saver valve

2006-07-18

2006-07-18

Yu, Justine R. (Department: 3751)

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

C137S456000, C251S048000

Reexamination Certificate

active

07077376

ABSTRACT:
The present invention relates to a valve designed to be in series with a toilet water supply line and the inlet of a toilet tank so that water which is flowing into the tank must flow through the valve. The valve includes a shutoff spool that is actuated by an intensifier piston. When the water volume exceeds the tank capacity due to a failure of the float valve in the toilet supply tank, the shutoff spool is actuated by the intensifier piston allowing flow to the toilet to be blocked.

REFERENCES:
patent: 2732165 (1956-01-01), Collingwood
patent: 3568705 (1971-03-01), Boyadjieff et al.
patent: 4522229 (1985-06-01), Van de Moortele
patent: 4964421 (1990-10-01), Klaus

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